package models;

import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.RenderingHints;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

import javax.persistence.Entity;

import org.apache.log4j.Logger;

import play.db.jpa.Model;

@Entity
public class ImageData extends Model {

	private static Logger logger = Logger.getLogger(ImageData.class);

	public String path;
	public String fileName;
	public String comment;
	public String title;

	public ImageData(String path, String fileName, String title, String comment) {
		this.path = path;
		this.fileName = fileName;
		this.title = title;
		this.comment = comment;
	}

	public static void uploadImage(String title, String comment, String images) {
		logger.info(images);
		/*for (File image : images) {
			try {
				logger.info("Image file: " + image.getCanonicalPath());
			} catch (IOException e) {
				e.printStackTrace();
			}
		}*/
	}

	public void transform(String originalFile, String thumbnailFile, int thumbWidth, int thumbHeight, int quality)
			throws Exception {
		Image image = javax.imageio.ImageIO.read(new File(originalFile));

		double thumbRatio = (double) thumbWidth / (double) thumbHeight;
		int imageWidth = image.getWidth(null);
		int imageHeight = image.getHeight(null);
		double imageRatio = (double) imageWidth / (double) imageHeight;
		if (thumbRatio < imageRatio) {
			thumbHeight = (int) (thumbWidth / imageRatio);
		} else {
			thumbWidth = (int) (thumbHeight * imageRatio);
		}

		if (imageWidth < thumbWidth && imageHeight < thumbHeight) {
			thumbWidth = imageWidth;
			thumbHeight = imageHeight;
		} else if (imageWidth < thumbWidth)
			thumbWidth = imageWidth;
		else if (imageHeight < thumbHeight)
			thumbHeight = imageHeight;

		BufferedImage thumbImage = new BufferedImage(thumbWidth, thumbHeight, BufferedImage.TYPE_INT_RGB);
		Graphics2D graphics2D = thumbImage.createGraphics();
		graphics2D.setBackground(Color.WHITE);
		graphics2D.setPaint(Color.WHITE);
		graphics2D.fillRect(0, 0, thumbWidth, thumbHeight);
		graphics2D.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
		graphics2D.drawImage(image, 0, 0, thumbWidth, thumbHeight, null);

		javax.imageio.ImageIO.write(thumbImage, "JPG", new File(thumbnailFile));
	}

}
